D skates backwards keeping 1 to 2 sticks length away from shooter.
D keeps shooter between himself and the goalie. D attacks the angle not the puck.
Shooter use's quickness to beat D and takes the shot.
Lead with blocker and glove
Keep stick on ice
Goalie looks in the direction of movement
During butterflty slide it is important for goalie to keep knees close together so as to not have a gap between legs.